having trouble with my 2001 pontiac bonneville sle misfiring replaced spark plugs and wires. random misfire code comes back on and the car shakes. it burns gas

Asked by May 03, 2013 at 07:45 PM about the 2001 Pontiac Bonneville SLE

Question type: Maintenance & Repair

7 Answers

we need your diagnostic trouble codes to help you, get them from an autoparts store....any one or buy a scanner on amazon for about 18 bucks~

1 of 1 people found this helpful.

Got some crappy fuel maybe?

accelerator sensor....where human meets computer....computer's gonna win...used to have a cable....but noooooo create a device that can send you FULL throttle into a tree, in your case seems to be giving contrary signals and your injection system is faithfully obeying every bogus command~

1 of 1 people found this helpful.

Try the coil packs. If one coil fails you loose two plugs. Pull one plug from each coil one at a time, place the end of the plug on metal and start the car. Observe the sparks. They should be blue and crisp, yellow wont do it. Don't touch while running it will hurt. Or get a spark tester but there is nothing like visually seeing your spark to rule it out as a cause. Sometimes these coils fail completely sometimes partially. If more than one coil is acting up it may be the ingnition module.

2 of 2 people found this helpful.

ya. CEL codes...red flag....find out what gives jalidelaware? out to lunch right now....ducked out for a drink with me mates?


deffinately the coil packs

2 of 2 people found this helpful.

coil packs & ignition module below it.

3 of 3 people found this helpful.

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